Lithium battery charging-output board

Introduction: TP4057-single-cell lithium battery charging-output module (charging current can be changed)

Schematic PCB

4-channel 16-bit high-precision ADC module

Introduction: 4-channel 16-bit high-precision ADC module

Schematic PCB

RPi_Fan_Controller

Introduction: Raspberry Pi fan control module

Schematic PCB

LOBSTER-3D printing motherboard-eight-axis expansion board

Introduction: LOBSTER lobster 3D printer motherboard supporting eight-axis expansion board

Schematic PCB

CH32V103C8T6 football

Introduction: Second Prize in the 2022 Electrical and Electronic Breathing Lamp Design Competition of the School of Electrical Engineering of Guangzhou City Polytechnic Institute

Schematic PCB

klipper oled screen adapter board

Introduction: The useless klipperOLED small screen has been verified on mks Monster 8. In theory, it can be used on all mks motherboards.

Schematic PCB

STM32G070RBT6 primary board

Introduction: STM32G070RBT6 development board, onboard DAP downloader

Schematic PCB

STM32G031G8U6

Introduction: STM32G031G8U6 development board

Schematic PCB

CH32V103C8T6

Introduction: CH32V103C8T6 development board RISC-V

Schematic PCB

STM32F103RCT6 development board with onboard ST-Link V2.1

Introduction: STM32F103RCT6 development board, onboard ST-Link V2.1 (passed verification)

Schematic PCB

Loli 6 channel receiver

Introduction: A program based on Loli open source is transplanted to STC8G1K08 microcontroller

Schematic PCB

F4 flight control

Introduction: F4 flying machine flight control
main control uses stm32f411ceu6
gyroscope for mpu6000 (SPI link
supports up to 8k rate
bec: 5V up to 3a
matekf411 firmware
supports BF firmware
INAV firmware

Schematic PCB

ELRS receiver

Introduction: elrs model aircraft receiver
high refresh rate long-distance sx1280 module
2.4GHz ExpressLRS Lora
Betaflight
Inav traversing machine Fpv
power supply uses two LDOs to supply power separately to improve stability

Schematic PCB

Time traveling machine black box

Introduction: Time Travel Machine Black Box

Schematic PCB

2.5 inch rack

Introduction: The 2.5-inch rack
is compatible with 16 holes and
is compatible with 20 holes and
is compatible with 25.5 holes.
Aluminum basic material has a certain degree of toughness. Fried chicken is not easy to break the machine arm.

Schematic PCB

LM2596S adjustable power supply

Introduction: This project is based on the design of the adjustable voltage output module of LM2596S. LM2596S outputs adjustable voltage, 7805 outputs 5V, and ASM1117 outputs 3.3V. It can meet the daily adjustable power output with low requirements.

15v power amplifier

Introduction: A power amplifier circuit with a power supply voltage of 15v connected to a speaker with a power of 10w and a resistance of 10R

Schematic PCB

Four-layer FOC driver board based on DRV8301 and STM32F4

Introduction: My design skills are limited. The size of the four-layer PCB is 10cm*10cm. The driver chip is DRV8301 and the MCU is STM32F407ZGT6. This is the first time I draw a driver and a four-layer PCB. It is purely for graduation. Don't expect performance. I will give you criticism and be a negative example.

Schematic PCB

AI01 Voice Infrared Remote Control

Introduction: This design of Tuya's intelligent AI voice universal remote control uses the VWXR2-ES online voice module of Tuya's zero-code development solution as the main control core design solution;

Schematic PCB

windows hello module adapter board

Introduction: windows hello

Schematic PCB